#579EB4#579EB4
#579EB4 is a light, moderate cyan. Relative luminance 0.298; OKLCH L 66.1% C 0.078 H 220.2°. Best body text is #000000 at 6.96:1 contrast (WCAG AA passes).
Color values
| HEX | #579EB4 |
|---|---|
| RGB | rgb(87, 158, 180) |
| HSL | hsl(194, 38%, 52%) |
| HSV | hsv(194, 52%, 71%) |
| CMYK | cmyk(51.7%, 12.2%, 0%, 29.4%) |
| CIE-LAB | lab(61.46, -16.13, -18.28) |
| CIE-LCH | lch(61.46, 24.38, 228.57°) |
| OKLab | oklab(66.13% -0.0598 -0.0506) |
| OKLCH | oklch(66.13% 0.078 220.2) |
| XYZ | xyz(24.3924, 29.7732, 47.6325) |
| Luminance | 0.2978 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Greyblue
#77A1B5
ΔE00 5.36
Cadetblue
#5F9EA0
ΔE00 7.88
Bluegrey
#85A3B2
ΔE00 8.11
Turquoise Blue
#06B1C4
ΔE00 8.15
Teal Blue
#01889F
ΔE00 9.39
Dirty Blue
#3F829D
ΔE00 9.91
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#579EB4 #B46D57
analogous
#57B49C #579EB4 #576FB4
triadic
#579EB4 #B4579E #9EB457
tetradic
#579EB4 #9C57B4 #B46D57 #6FB457
square
#579EB4 #9C57B4 #B46D57 #6FB457
split-complementary
#579EB4 #B4576F #B49C57
monochromatic
#2D5764 #407C8E #579EB4 #81B6C7 #ACCFDA
Accessibility & contrast
On white
3.02
#579EB4 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.96
#579EB4 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #579EB4
6.96:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##579EB4 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##579EB4 | 1.00 | 3.02 | 6.96 | 6.96 |
| #FFFFFF | 3.02 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.96 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.96 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#909AB5
Deuteranopia (green-blind)
#8390B4
Tritanopia (blue-blind)
#1CA5A5
Achromatopsia (no color)
#949494
Design tokens & code
CSS
--color: #579eb4; /* rgb */ color: rgb(87, 158, 180); /* oklch */ color: oklch(66.1% 0.078 220.2);
Tailwind
colors: {
custom: {
50: '#8dbaca',
500: '#579eb4',
950: '#000000',
},
}SCSS
$custom: #579eb4; $custom-light: #8dbaca; $custom-dark: #000000;
JSON
{
"hex": "#579eb4",
"rgb": {
"r": 87,
"g": 158,
"b": 180
},
"hsl": {
"h": 194.194,
"s": 38.272,
"l": 52.353
},
"oklch": {
"l": 0.66134,
"c": 0.07835,
"h": 220.2
},
"luminance": 0.29775
}Semantic roles & 50–950 ramp
primary
#579EB4
secondary
#C8A99F
accent
#755ACE
background
#F9FBFC
surface
#F1F6F8
border
#CBD0D1
text
#0D1113
muted
#7E8082